CHC,
We love the st Croix mini crane. It can be disassembled and stowed in less than 5 minutes.
There is a bigger model available, and you COULD get 2 sets of brackets to allow attachment to your bow rails, however you would have to calculate the horizontal "pull" that would be exerted when you go to pull that dinghy up the side of the boat. Assuming you could do this, you'd be draging that dinghy up the side of your boat. Then you'd have to wrestle it over the rail and onto the foredeck.
I considered this and chose not to do it.
My airfloor dink weighs 82 lbs naked. If necessary I can get it onto the foredeck with some help.
Otherwise I can tow it behind if I'll need it again or slide it into the cockpit, rinse it off and deflate it for storage - the bad part here is not having the time to allow it to dry before collapsing it.
we can assemble everything from scratch, dink, crane, motor fuel and lines in exactly 30 minutes.
It's the cleaning off that adds time to the stowage procedure. (plus bucket flushing the outboard.
RWS